A probe into the behaviour of total ozone time series through multifractal detrended fluctuation analysis

被引：6

作者：

Chakraborty, Sombit ^{[1
]}

Chattopadhyay, Surajit ^{[1
]}

机构：

[1] Amity Univ Kolkata, Dept Math, Major Arterial Rd,Act Area 2, Kolkata 700135, India

来源：

THEORETICAL AND APPLIED CLIMATOLOGY | 2022年 / 148卷 / 1-2期

关键词：

SCALING BEHAVIOR; COLUMN RETRIEVAL; DYNAMICS; PREDICTABILITY; RAINFALL; NO2;

D O I：

10.1007/s00704-022-03967-z

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

The present study reports a multifractal detrended fluctuation analysis (MF-DFA) of total ozone time series. Considering daily total ozone concentration (TOC) data ranging from 2015 to 2019, derived from Ozone Monitoring Instrument (OMI)/ Aura observations, we have created a new profile by subtracting the trend. Subsequently, we have divided the profile X, into non-intersecting segments of equal time scale varying from 25 to 30. Fitting a second order polynomial, we have eliminated the local trend from each segment, and thereafter, we have computed the detrended variance. Finally, the multifractal behaviour has been identified, and the singularity spectra has helped us in obtaining the generalised Hurst exponent which in this case has come out to be greater than 0.5.

引用

页码：671 / 677

页数：7

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